81867772

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28949}}^1$

素因数の和:29061

約数の個数: 24

約数和(自身を含む): 165362400

約数和(自身を除く): 83494628

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 28949, 57898, 115796, 202643, 405286, 810572, 2923849, 5847698, 11695396, 20466943, 40933886, 81867772]

約数ペア:

[(1, 81867772), (2, 40933886), (4, 20466943), (7, 11695396), (14, 5847698), (28, 2923849), (101, 810572), (202, 405286), (404, 202643), (707, 115796), (1414, 57898), (2828, 28949)]